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    Bukhanov, E. R.
    A study of wheat wax optical properties / E. R. Bukhanov, Y. L. Gurevich, K. A. Shabanova // Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall) : IEEE, 2019. - P. 2890-2897. - (Progress in Electromagnetics Research Symposium), DOI 10.1109/PIERS-Fall48861.2019.9021781. - Cited References: 36
   Перевод заглавия: Изучение оптических свойств воска пшеницы

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
DIMENSIONAL PHOTONIC CRYSTALS
BLUE-GREEN FLUORESCENCE
Аннотация: Epicuticular waxes are a multifunctional interface between a plant and the environment. In this paper wheat leaves wax has been studied. Wax isolation was carried out using the method of gradual freezing in water followed by slow thawing. The morphology of the samples obtained was observed with a Hitachi SU3500 electron microscope. The structure period is determined by the nanotubes diameter which equals 150-200 nm. Random orientation of their long axes in the layer allows using a one-dimensional model to calculate the transmission spectrum of a photonic crystal with the help of the transfer matrix method. While making the calculations a defect that may be caused by possible interlayer heterogeneity also must be taken into account. Numerical modeling made it possible to identify the stop zone and the defective mode. Intense fluorescence appears in the optical area of the wax layer under ultraviolet radiation, thus increasing the efficiency of photosynthesis.

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Держатели документа:
Kirensky Inst Phys Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.

Доп.точки доступа:
Gurevich, Y. L.; Shabanova, K. A.; Буханов, Евгений Романович; Photonics and Electromagnetics Research Symposium - Fall(2019 ; Dec 17-20 ; Xiamen, China)
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    Влияние строения на оптические свойства эпикулярного воска голубой ели (Picea pungens) / Е. Р. Буханов, А. В. Шабанов, М. Н. Крахалев [и др.] // Ученые зап. физ. фак-та МГУ. - 2019. - № 5. - Ст. 1950502. - Библиогр.: 36 . - ISSN 2307-9665
   Перевод заглавия: The effect of the structure on the optical properties of epicular blue spruce wax (Picea pungens)
Кл.слова (ненормированные):
фотонный кристалл -- дефектная мода -- изоляция воскового слоя -- иризация -- флуоресценция -- photonic crystal -- defect mode -- wax isolation -- irisation -- fluorescence
Аннотация: Выполнено исследование морфологических и оптических характеристик с эпикулярного воскового слоя голубой ели (Picea pungens). Методом сканирующей электронной микроскопии выявлены структурные единицы – трубочки диаметром 150-200нм и длиной 3-5 мкм. Обнаружен эффект иризации от доменов воскового слоя. В отраженном свете домены имею голубую окраску, при наблюдении в проходящем свете приобретают розоватый оттенок. Эти оптические характеристики являются основными признаками фотоннокристаллической структурой. Проведено численное моделирование спектра пропускания с выявленными структурными оптическими параметрами с использованием метода трансфер матриц. Спектр максимума флюоресценции совпадает с дефектной модой рассчитанного спектра пропускания.
The study of morphological and optical characteristics of the epicular wax layer of blue spruce (Picea pungens). The method of scanning electron microscopy revealed structural units - tubes with a diameter of 150-200 nm and a length of 3-5 microns. An iridescence eﬀect from the wax layer domains has been detected. In the reﬂected light, the domains have a blue color, when observed in transmitted light acquire a pinkish tint. These optical characteristics are the main features of the photonic crystal structure. A numerical simulation of the transmission spectrum with the identiﬁed structural optical parameters was carried out using the transfer matrix method. The spectrum of the maximum ﬂuorescence coincides with the defect mode of the calculated transmission spectrum.

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Держатели документа:
Институт физики имени Л. В. Киренского ФИЦ КНЦ СО РАН, Россия, 660036, Красноярск
ФИЦ КЦН СО РАН, Россия, 660036, Красноярск

Доп.точки доступа:
Буханов, Евгений Романович; Bukhanov, E. R.; Шабанов, Александр Васильевич; Shabanov, A. V.; Крахалев, Михаил Николаевич; Krakhalev, M. N.; Волочаев, Михаил Николаевич; Volochaev, M. N.; Гуревич, Юрий Леонидович
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    Structural analysis and optical temperature sensing performance of Eu3+-doped Ba3In(PO4)3 / G. Q. Zhang, M. S. Molokeev, Q. C. Ma [et al.] // CrystEngComm. - 2020. - Vol. 22, Is. 35. - P. 5809-5817, DOI 10.1039/d0ce00997k. - Cited References: 52. - This work was supported by the National Natural Science Foundation of China (Grant No. 51802172) and the Qinghai Provincial Natural Science Foundation for Young Scholars (No. 2018-ZJ-957Q) . - ISSN 1466-8033
   Перевод заглавия: Структурный анализ и эффективность оптического измерения температуры Ba3In(PO4)3, легированного Eu3+

РУБ Chemistry, Multidisciplinary + Crystallography
Рубрики:
FLUORESCENCE INTENSITY RATIO
UP-CONVERSION EMISSIONS
RARE-EARTH IONS
Аннотация: Eu3+-Doped Ba3In(PO4)3 was synthesized through a high-temperature solid-phase method. According to the structure refinement based on X-ray diffraction and density functional theory, the crystal and energy band structures of Ba3In(1−x)(PO4)3:xEu3+ were studied and analyzed in detail. The effect of Eu3+ doping concentrations on emission was studied at an excitation wavelength of 393 nm. For the material Ba3In(1−x)(PO4)3:xEu3+(x = 0.01–0.30), the optimal doping level is confirmed to be 0.18. Due to the thermal quenching differences of Eu3+ at the 5D0 and 5D1 energy levels, and based on the temperature-variable fluorescence intensity ratio between emission peaks, the optical temperature measurement performance of this material in the temperature range from 298.15 K to 623.15 K was characterized, and the maximum absolute and relative sensor sensitivities (Sa and Sr) were determined to be 0.1002 K−1 and 4.058%, respectively. With temperature as the only variable, the color of the phosphor changes from red to yellow light with rising temperature. Besides, Sa and Sr values of this phosphor are comparable to other sensing materials. The results indicate that Eu3+-doped Ba3In(PO4)3 phosphors have great potential to be applied in optical temperature sensing.

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Держатели документа:
Qinghai Univ, Qinghai Prov Engn Res Ctr High Performance Light, Qinghai Prov Key Lab New Light Alloys, Xining 810016, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Zhang, Guangqing; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ma, Qianchao; Yang, Xuening; Han, Shuiquan; Chen, Q.i.; Zhong, Binnian; Ma, Bin
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Fluorescence and photoinduced proton transfer in the protolytic forms of fluorescein: Experimental and computational study / M. A. Gerasimova [et al.] // Dyes Pigm. - 2020. - Vol. 173. - Ст. 107851, DOI 10.1016/j.dyepig.2019.107851. - Cited References: 58. - This work is supported by the Russian Foundation for Basic Research, Russia (project 19-02-00450 ). S.A.V. thanks the National Science Foundation, United States for financial support through a CAREER Award ( CHE-1654547 ). . - ISSN 0143-7208
Кл.слова (ненормированные):
Fluorescein protolytic forms -- Absorption -- Fluorescence -- TD-DFT -- Proton transfer -- Excited-state dissociation constant
Аннотация: In contrast to the well-studied absorption spectra of different protolytic forms of fluorescein, the complex structure of the fluorescence spectra in a wide pH range is not completely understood because of the interplay between emission and photoinduced proton transfer in the electronic excited states. We provide insight into this interplay through a combined analysis of the experimental data, obtained by absorption and steady-state fluorescence spectroscopy at pH 0.3–10.5, and the time-dependent density functional theory (TD-DFT). The TD-DFT based computational model is validated on dianion and used to model the spectra of other protolytic forms. The protolytic/tautomeric forms of fluorescein are classified according to the partial charges on the triple chromophore ring, and electronic transitions are analyzed in terms of changes in molecular geometries and orbitals. A linear regression analysis between the calculated and experimental results based on both absorption and well-understood dianionic and cationic fluorescence peaks is used to assign the monoanionic (496 nm), neutral quinoid (550 nm) and neutral zwitterionic (483 nm) fluorescence peaks, whose positions were not clear prior to this work. The values of the excited-state dissociation microconstants pka* for different forms of fluorescein are calculated by means of the Forster cycle in conjunction with the spectroscopic measurements and computational data.

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Держатели документа:
Siberian Federal University, Svobodny Prospect 79, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Department of Chemistry, University of Nevada, Reno, North Virginia Street 1664, Reno, NV 89557-0216, United States
Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology, Central 2, Umezono 1-1-1, Tsukuba, 305-8568, Japan

Доп.точки доступа:
Gerasimova, M. A.; Tomilin, F. N.; Томилин, Феликс Николаевич; Malyar, E. Y.; Varganov, S. A.; Fedorov, D. G.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Slyusareva, E. A.
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    Ratio fluorescent hybrid probe for visualized fluorescence detection of H2O2 in vitro and in vivo / R. Dong, Y. Yao, D. Li [et al.] // Sens. Actuators B: Chem. - 2020. - Vol. 321. - Ст. 128643, DOI 10.1016/j.snb.2020.128643. - Cited References: 65. - The present work was supported by the National Natural Science Foundations of China (Grant No. 21671070 ), the project supported by the GDUPS (2018) for Prof. Bingfu LEI, the Project for Construction of High-level University in Guangdong Province of China, the Guangzhou Science & Technology Project , China (No. 201707010033 ), the Special Funds for the Cultivation of Guangdong College Students’ Scientific and Technological Innovation (No. 201910564035 ), and the National Undergraduate Innovation and Entrepreneurship Training Program granted for Riyue Dong . - ISSN 0925-4005
   Перевод заглавия: Соотношение флуоресценции в гибридных зондах для визуального детектирования флуоресценции H2O2 in vitro и in vivo
Кл.слова (ненормированные):
Si-O -- QDs -- Ag -- Nanoclusters -- Visualized fluorescence detection -- H2O2 sensing in vivo and in vitro
Аннотация: A silicon oxide quantum dots (Si-O QDs) and Ag nanoclusters hybrid nanosensing probe with dual-emission and small nanocrystals that acts as an “off-on” ratio fluorescent probe for hydrogen peroxide (H2O2) detection was developed. The probe was used to measure the H2O2 concentration generated by mitochondria in vitro via recording the I455/I680 fluorescence ratio. Furthermore, this hybrid probe was applied to monitor the wound-induced H2O2 in lettuce leaf, and realized the visualized fluorescence qualitative detection H2O2 in vivo via laser scanning confocal microscope. The working mechanism of the probe is also investigated. Inner filter effect (IFE) estimation, Fourier transform infrared (FTIR) spectra and high-resolution transmission electron microscopy (HRTEM) images were applied to study the quenching mechanism and recovering reason of Si-O QDs fluorescence. The results show that the blue fluorescence of Si-O QDs can be quenched by Ag NCs via the IFE and fluorescent resonance energy transfer (FRET) effect. After adding H2O2, the surface groups of Ag NCs was changed and the IFE and FRET effects between the Si-O QDs and Ag NCs are disabled, thus the quenched Si-O QDs luminescence can be regularly recovered.

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College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, China
Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou, 510642, China
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Dong, R.; Yao, Y.; Li, D.; Zhang, H.; Li, W.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Y.; Lei, B.
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Modeling of Electronic Spectra of Ionic Forms of Eosin and Erythrosin / A. V. Rogova, F. N. Tomilin, M. A. Gerasimova, E. A. Slyusareva // Russ. Phys. J. - 2020. - Vol. 63, Is. 8. - P. 1417-1423, DOI 10.1007/s11182-020-02186-1. - Cited References: 17 . - ISSN 1064-8887
Кл.слова (ненормированные):
eosin -- erythrosin -- ionic forms -- non-stationary density functional theory TD-DFT -- B3LYP -- polarized continuum model -- electronic spectra -- absorption -- fluorescence
Аннотация: Multistage dissociation of fluoroscein dyes, widely used in biological labeling, yields a variety of ionic and tautomeric forms in a wide range of pH values. In contrast to well-studied absorption spectra, the emission spectra are not quite readily interpreted due to their strong overlapping and proton transfer in electronically excited states. The least studied are the fluorescent properties of eosin and erythrosin dyes containing heavy atoms (Br, I), in which the characteristics of the dianionic form only are reliably determined. In the framework of the density functional theory using the B3LYP-functional including nonequilibrium solvation, the geometries of the series of ionic forms of eosin and erythrosin in the ground and excited states are found, and the electronic spectra are calculated. Based on the identified linear regression of the calculated and experimental data for the earlier resolved electronic spectra, for the first time, the emission spectrum maxima of the monoanionic, neutral quinoid, and cationic forms of the dyes are determined. The spectral peculiarities (Stokes shifts) are discussed in terms of variation of the molecule and ion geometries in the ground and excited states.

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Публикация на русском языке Моделирование электронных спектров ионных форм эозина и эритрозина [Текст] / А. В. Рогова, Ф. Н. Томилин, М. А. Герасимова, Е. А. Слюсарева // Изв. вузов. Физика. - 2020. - Т. 63 № 8. - С. 115-121

Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics of the Siberian Branch of the Russian Academy of Sciences – Division of the Federal Research Center, Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Rogova, A. V.; Tomilin, F. N.; Томилин, Феликс Николаевич; Gerasimova, M. A.; Slyusareva, E. A.
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Interactions of chemically synthesized ferrihydrite nanoparticles with human serum transferrin: Insights from fluorescence spectroscopic studies / C. G. Chilom, N. Sandu, S. Iftimie [et al.] // Int. J. Mol. Sci. - 2021. - Vol. 22, Is. 13. - Ст. 7034, DOI 10.3390/ijms22137034. - Cited References: 39. - The work was accomplished with the financial support of the RO-JINR Projects No. 365/11.05.2021, items 8, 87 and 98 and respectivelly, No. 366/11.05.2021, items 7, 86 and 97 . - ISSN 1661-6596
Кл.слова (ненормированные):
Ferrihydrite nanoparticles -- Human serum transferrin -- Binding mechanism -- Driving forces -- Molecular docking
Аннотация: Human serum transferrin (HST) is a glycoprotein involved in iron transport that may be a candidate for functionalized nanoparticles to bind and target cancer cells. In this study, the effects of the simple and doped with cobalt (Co) and copper (Cu) ferrihydrite nanoparticles (Fh-NPs, Cu-Fh-NPs, and Co-Fh-NPs) were studied by spectroscopic and molecular approaches. Fluorescence spectroscopy revealed a static quenching mechanism for all three types of Fh-NPs. All Fh-NPs interacted with HST with low affinity, and the binding was driven by hydrogen bonding and van der Waals forces for simple Fh-NPs and by hydrophobic interactions for Cu-Fh-NPs and Co-Fh-NPs binding, respectively. Of all samples, simple Fh-NPs bound the most to the HST binding site. Fluorescence resonance energy transfer (FRET) allowed the efficient determination of the energy transfer between HST and NPs and the distance at which the transfer takes place and confirmed the mechanism of quenching. The denaturation of the HST is an endothermic process, both in the case of apo HST and HST in the presence of the three types of Fh-NPs. Molecular docking studies revealed that Fh binds with a low affinity to HST (Ka = 9.17 × 103 M−1) in accord with the fluorescence results, where the interaction between simple Fh-NPs and HST was described by a binding constant of 9.54 × 103 M−1.

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Держатели документа:
Department of Electricity, Solid Physics and Biophysics, Faculty of Physics, University of Bucharest, Str Atomistilor 405, CP MG 11, Magurele, RO?077125, Romania
Joint Institute for Nuclear Research, Joliot?Curie No. 6, Dubna, 141980, Russian Federation
Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Magurele, RO?077125, Romania
Moscow Institute of Physics and Technology, Institutskiy Per. No. 9, Dolgoprudniy, 141701, Russian Federation
Krasnoyarsk Science Center of the Siberian, Branch of the Russian Academy of Sciences, Akademgorodok St. No.50, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Chilom, C. G.; Sandu, N.; Iftimie, S.; Balasoiu, M.; Rogachev, A.; Orelovich, O.; Stolyar, S. V.; Столяр, Сергей Викторович
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    Intracavity enhancement of GFP fluorescence induced by femtosecond laser pulses / S. A. Vyunisheva, S. A. Myslivets, N. N. Davletshin [et al.] // Spectrochim. Acta A. - 2023. - Vol. 300. - Ст. 122885, DOI 10.1016/j.saa.2023.122885. - Cited References: 23 . - ISSN 1386-1425. - ISSN 1873-3557
   Перевод заглавия: Внутрирезонаторное усиление флуоресценции GFP, индуцированное фемтосекундными лазерными импульсами
Кл.слова (ненормированные):
Fluorescence -- Green fluorescent protein -- Microcavity -- Photonic crystal -- Photonic band gap -- Femtosecond laser pulses
Аннотация: The phenomenon of fluorescence is widely used in molecular biology for studying the interaction of light with biological objects. In this article, we present an experimental investigation of the enhancement of laser-induced fluorescence of Clytia gregaria green fluorescent protein. The laser-induced fluorescence method applied in our work combines the advantages of femtosecond laser pulses and a photonic crystal cavity, with the time dependence of the fluorescence signal studied. It is shown that a green fluorescent protein solution placed in a microcavity and excited by femtosecond laser pulses leads to an increase in fluorescence on the microcavity modes, which can be estimated by two orders of magnitude. The dependences of fluorescence signal saturation on the average integrated optical pump power are demonstrated and analyzed. The results obtained are of interest for the development of potential applications of biophotonics and extension of convenient methods of laser-induced fluorescence.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 38, Krasnoyarsk, 660036, Russia
Sukachev Institute of Forest, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 28, Krasnoyarsk, 660036, Russia
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Academician Kirensky Str. 26, Krasnoyarsk, 660074, Russia
Institute of Biophysics, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 50, Krasnoyarsk, 660036, Russia
Department of Chemical Technology of Wood and Biotechnology, Reshetnev Siberian State University of Science and Technology, Mira Ave. 82, Krasnoyarsk, 660049, Russia

Доп.точки доступа:
Vyunisheva, S. A.; Вьюнышева Софья Александровна; Myslivets, S. A.; Мысливец, Сергей Александрович; Davletshin, Nikolay N.; Давлетшин, Николай Николаевич; Eremeeva, Elena V.; Vysotski, Eugene S.; Pavlov, Igor N.; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович
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    Thermo-dynamical contours of electronic-vibrational spectra simulated using the statistical quantum-mechanical methods [Text] / V. Pomogaev [et al.] // Theor. Chem. Acc. - 2011. - Vol. 130, is. 4-6. - P609-632, DOI 10.1007/s00214-011-0936-6. - Cited Reference Count: 112. - Гранты: We would like to acknowledge scientific discussions with the following collaborators and friends: Daniel Chipman, Victor Ya. Artyukhov for common discussions concerning theoretical questions and methodology; John S. Tse and Dennis D. Klug for initial discussions concerning the properties of cyanoanthracene; and Yuriko Aoki for discussions of benzene and estradiol. We would also like to thank the following funding agencies and institutions for supporting this work during its various stages of development: Kyushu University, Japan; Steacie Institute for Molecular Sciences, Canada; University of Notre Dame, USA; Siberian Physical-Technical Institute, Russia; Siberian Federal University, Russia; Kirensky Institute of Physics, Russia. We would like to thank FAPESP for project 16782-2/2009 which allowed Prof. Jalkanen to visit LEVB at UniVaP for the period from June 2010 to May 2011 from the Quantum Protein (QuP) Center at the Technical University in Denmark during which time this work was completed. - Финансирующая организация: Kyushu University, Japan; Steacie Institute for Molecular Sciences, Canada; University of Notre Dame, USA; Siberian Physical-Technical Institute, Russia; Siberian Federal University, Russia; Kirensky Institute of Physics, Russia . - DEC. - ISSN 1432-881X
Рубрики:
DENSITY-FUNCTIONAL THEORY
   INITIO MOLECULAR-DYNAMICS
   CIRCULAR-DICHROISM SPECTRA
   LASER-INDUCED FLUORESCENCE
   NUCLEAR SHIELDING TENSORS
   ALANINE N'-METHYLAMIDE
   ALKALINE-EARTH DIMERS
   ABSORPTION-SPECTRA
   HYDRATED ELECTRON
   AQUEOUS-SOLUTION
Кл.слова (ненормированные):
organic compounds -- molecular dynamics -- photophysical properties -- electronic spectra -- electronic spectra -- molecular dynamics -- organic compounds -- photophysical properties
Аннотация: Three polycyclic organic molecules in various solvents focused on thermo-dynamical aspects were theoretically investigated using the recently developed statistical quantum mechanical/classical molecular dynamics method for simulating electronic-vibrational spectra. The absorption bands of estradiol, benzene, and cyanoanthracene have been simulated, and most notably, the increase in the spectral intensity for the lowest excited state transition as the temperature is increased observed experimentally is well reproduced. In addition, this method has been extended to treat luminescent processes also, and it is seen that the experimental emission spectrum of cyanoanthracene is also well described. The method still needs further refinement, but results to date, including those presented in this work, document clearly that our model is one which is able to treat the many complex effects that the environment have on electronic absorption and emission spectra.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Univ Notre Dame, Notre Dame Radiat Lab, Notre Dame, IN 46556 USA
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Univ Vale Paraiba, Lab Biomed Vibrat Spectrscopy, Inst Res & Dev, BR-12244000 Sao Paulo, Brazil
Tech Univ Denmark, Dept Phys, Quantum Prot QuP Ctr, DK-2800 Lyngby, Denmark

Доп.точки доступа:
Pomogaev, V.; Avramov, P. V.; Аврамов, Павел Вениаминович; Kachin, S.; Pomogaeva, A.; Jalkanen, K. J.
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10.

Modeling optical properties of plant epicuticular wax / E. Bukhanov, Y. Gurevich, M. Krakhalev, D. Shabanov // Proceedings of ITNT 2020 - 6th IEEE International Conference on Information Technology and Nanotechnology : Institute of Electrical and Electronics Engineers Inc., 2020. - Ст. 9253272DOI 10.1109/ITNT49337.2020.9253272. - Cited References: 39
Кл.слова (ненормированные):
photonic crystal -- epicuticular wax -- density of photon states -- fluorescence
Аннотация: Wax is found on the leaves almost of all plants. Its physicochemical and protective properties are widely discussed in the scientific literature. In the presented work, the influence of the structure of wax on the optical properties in wheat leaves and needles of blue spruce has been revealed for the first time. Long-period ordering was established. The structural elements are nanotubes up to several microns in length and about 150 nm in diameter. The paper presents the influence of a long-period structure on the optical properties and local characteristics of light waves, including the transmission spectrum, the density of photon states, as well as fluorescence spectra and polarization microscopy. Using modern mathematical tools, the main spectral and optical characteristics were calculated using the example of the wax cover of blue spruce and glaucas wheat. Based on calculations that establish the relationship between the structural, spectral and optical properties, the influence of wax structures on the process of photosynthesis was revealed.

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Держатели документа:
Kirensky Institute of Physics Sb Ras, Krasnoyarsk, Russian Federation
Frc Ksc Sb Ras, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bukhanov, E. R.; Буханов, Евгений Романович; Gurevich, Y.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Shabanov, D. A.; Шабанов, Дмитрий Александрович; IEEE International Conference on Information Technology and Nanotechnology(6th ; 26 - 29 May 2020 ; Samara, Russian Federation)
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